What is the difference between creatine and creatinine? Here's a look at the two and how the latter could lead to rhabdomyolysis.

Long associated with youthful weightlifters and athletes, creatine supplements are increasingly being used by older adults to maintain muscle and even improve cognition.

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Creatine is a natural substance that helps supply energy to muscles. Creatinine is a waste product produced when creatine is broken down. Rhabdomyolysis, or "rhabdo," occurs when excessive ...